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Move magic numbers into magic.h 

Move various magic-number definitions into magic.h.

Signed-off-by: Nick Black <dank@qemfd.net>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nick Black 2009-09-22 16:43:33 -07:00 committed by Linus Torvalds
parent af91322ef3
commit 1fd7317d02
5 changed files with 9 additions and 14 deletions
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3
fs/devpts/inode.c
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@ -18,14 +18,13 @@
#include <linux/mount.h> #include <linux/mount.h>
#include <linux/tty.h> #include <linux/tty.h>
#include <linux/mutex.h> #include <linux/mutex.h>
#include <linux/magic.h>
#include <linux/idr.h> #include <linux/idr.h>
#include <linux/devpts_fs.h> #include <linux/devpts_fs.h>
#include <linux/parser.h> #include <linux/parser.h>
#include <linux/fsnotify.h> #include <linux/fsnotify.h>
#include <linux/seq_file.h> #include <linux/seq_file.h>
#define DEVPTS_SUPER_MAGIC 0x1cd1
#define DEVPTS_DEFAULT_MODE 0600 #define DEVPTS_DEFAULT_MODE 0600
/* /*
* ptmx is a new node in /dev/pts and will be unused in legacy (single- * ptmx is a new node in /dev/pts and will be unused in legacy (single-

4
fs/hugetlbfs/inode.c
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@ -31,12 +31,10 @@
#include <linux/statfs.h> #include <linux/statfs.h>
#include <linux/security.h> #include <linux/security.h>
#include <linux/ima.h> #include <linux/ima.h>
#include <linux/magic.h>
#include <asm/uaccess.h> #include <asm/uaccess.h>
/* some random number */
#define HUGETLBFS_MAGIC 0x958458f6
static const struct super_operations hugetlbfs_ops; static const struct super_operations hugetlbfs_ops;
static const struct address_space_operations hugetlbfs_aops; static const struct address_space_operations hugetlbfs_aops;
const struct file_operations hugetlbfs_file_operations; const struct file_operations hugetlbfs_file_operations;

5
include/linux/magic.h
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@ -13,6 +13,7 @@
#define SECURITYFS_MAGIC 0x73636673 #define SECURITYFS_MAGIC 0x73636673
#define SELINUX_MAGIC 0xf97cff8c #define SELINUX_MAGIC 0xf97cff8c
#define TMPFS_MAGIC 0x01021994 #define TMPFS_MAGIC 0x01021994
#define HUGETLBFS_MAGIC 0x958458f6 /* some random number */
#define SQUASHFS_MAGIC 0x73717368 #define SQUASHFS_MAGIC 0x73717368
#define EFS_SUPER_MAGIC 0x414A53 #define EFS_SUPER_MAGIC 0x414A53
#define EXT2_SUPER_MAGIC 0xEF53 #define EXT2_SUPER_MAGIC 0xEF53
@ -53,4 +54,8 @@
#define INOTIFYFS_SUPER_MAGIC 0x2BAD1DEA #define INOTIFYFS_SUPER_MAGIC 0x2BAD1DEA
#define STACK_END_MAGIC 0x57AC6E9D #define STACK_END_MAGIC 0x57AC6E9D
#define DEVPTS_SUPER_MAGIC 0x1cd1
#define SOCKFS_MAGIC 0x534F434B
#endif /* __LINUX_MAGIC_H__ */ #endif /* __LINUX_MAGIC_H__ */

3
net/socket.c
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@ -86,6 +86,7 @@
#include <linux/audit.h> #include <linux/audit.h>
#include <linux/wireless.h> #include <linux/wireless.h>
#include <linux/nsproxy.h> #include <linux/nsproxy.h>
#include <linux/magic.h>
#include <asm/uaccess.h> #include <asm/uaccess.h>
#include <asm/unistd.h> #include <asm/unistd.h>
@ -235,8 +236,6 @@ int move_addr_to_user(struct sockaddr *kaddr, int klen, void __user *uaddr,
return __put_user(klen, ulen); return __put_user(klen, ulen);
} }
#define SOCKFS_MAGIC 0x534F434B
static struct kmem_cache *sock_inode_cachep __read_mostly; static struct kmem_cache *sock_inode_cachep __read_mostly;
static struct inode *sock_alloc_inode(struct super_block *sb) static struct inode *sock_alloc_inode(struct super_block *sb)

8
security/smack/smack_lsm.c
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@ -30,17 +30,11 @@
#include <net/netlabel.h> #include <net/netlabel.h>
#include <net/cipso_ipv4.h> #include <net/cipso_ipv4.h>
#include <linux/audit.h> #include <linux/audit.h>
#include <linux/magic.h>
#include "smack.h" #include "smack.h"
#define task_security(task) (task_cred_xxx((task), security)) #define task_security(task) (task_cred_xxx((task), security))
/*
* I hope these are the hokeyist lines of code in the module. Casey.
*/
#define DEVPTS_SUPER_MAGIC 0x1cd1
#define SOCKFS_MAGIC 0x534F434B
#define TMPFS_MAGIC 0x01021994
/** /**
* smk_fetch - Fetch the smack label from a file. * smk_fetch - Fetch the smack label from a file.
* @ip: a pointer to the inode * @ip: a pointer to the inode